Educaship Mattermost

There are several open-source software options similar to Mattermost that lack the channel feature. All of these options offer many similar features to Mattermost, but with a different approach to organizing conversations. Yes, some of the options I mentioned support voice calls. Yes, some of the options I mentioned can work with AI-powered notetakers.

Rocket.Chat

1. Rocket.Chat is a popular alternative to Mattermost that offers many similar features, but without channels. Instead, it uses a "rooms" concept for organizing conversations. 1. Rocket.Chat Rocket.Chat has voice and video call capabilities, including screen sharing and conferencing features. It supports WebRTC (Web Real-Time Communication) for peer-to-peer voice and video calls. 1. Rocket.Chat Rocket.Chat has an open API and a large community of developers, which makes it possible to integrate with AI-powered notetakers like:

   Otter.ai
   Trint
   Temi
   Google Cloud Speech-to-Text

Zulip

2. Zulip is another open-source team collaboration platform that uses a "streams" concept instead of channels. It's known for its threaded conversations and powerful search functionality. 2. Zulip Zulip does not have built-in voice call support, but it integrates with other services like Zoom, Google Meet, and Jitsi Meet for voice and video calls. 2. Zulip Zulip also has an open API and supports integrations with various services, including AI-powered notetakers like:

   Zoom's automated captioning feature
   Google Cloud Speech-to-Text
   Microsoft Azure Speech Services

Wire

3. Wire is a secure and private team collaboration platform that uses a "conversations" approach instead of channels. It's known for its end-to-end encryption and privacy features. 3. Wire Wire has voice and video call capabilities, including end-to-end encrypted voice and video calls. It also supports conferencing and screen sharing features. 3. Wire Wire has a more limited set of integrations, but it does support some AI-powered notetakers like:

   Trint
   Temi

Misskey

4. Misskey is a lightweight, open-source team collaboration platform that uses a "notes" concept instead of channels. It's known for its simplicity and ease of use. 4. Misskey Misskey does not have built-in voice call support, but it has a plugin architecture that allows developers to add new features, including voice and video calls. 4. Misskey Misskey has a plugin architecture, which allows developers to create integrations with AI-powered notetakers. However, there are no pre-built integrations available at this time. So, if you're looking for a seamless integration with AI-powered notetakers, Rocket.Chat and Zulip are the two options that are most likely to support it.